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Finding the Fourth Proportional to 292,818.92, 404,087.27 and 163,755.95

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Solution

The fourth proportional to 292,818.92, 404,087.27 and 163,755.95 is: 225,981.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,818.92 : 404,087.27 = 163,755.95 : x
  2. Step 2: Convert to fraction form
    292,818.92/404,087.27 = 163,755.95/x
  3. Step 3: Cross multiply
    292,818.92x = 404,087.27 × 163,755.95
  4. Step 4: Simplify right side
    292,818.92x = 66,171,691,942.54
  5. Step 5: Solve for x
    x = 66,171,691,942.54/292,818.92
  6. Step 6: Final answer
    x = 225,981.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.